Carbonite - Unlimited online backup for one flat fee. Free trial, no credit card required.
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
Backup Exec - Backup Exec provides simple, complete backup and recovery protection for your business, to cover all data wherever it resides. Try free for 60 days.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.